JP5208413B2 - 多重チャネル信号の処理方法 - Google Patents

多重チャネル信号の処理方法 Download PDF

Info

Publication number
JP5208413B2
JP5208413B2 JP2006506713A JP2006506713A JP5208413B2 JP 5208413 B2 JP5208413 B2 JP 5208413B2 JP 2006506713 A JP2006506713 A JP 2006506713A JP 2006506713 A JP2006506713 A JP 2006506713A JP 5208413 B2 JP5208413 B2 JP 5208413B2
Authority
JP
Japan
Prior art keywords
frequency
mrow
input
signal
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2006506713A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006520927A (ja
Inventor
ディルク ジェイ ベーバールト
エリク ジー ピー スフエイエルス
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV, Koninklijke Philips Electronics NV filed Critical Koninklijke Philips NV
Publication of JP2006520927A publication Critical patent/JP2006520927A/ja
Application granted granted Critical
Publication of JP5208413B2 publication Critical patent/JP5208413B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
JP2006506713A 2003-03-17 2004-03-15 多重チャネル信号の処理方法 Expired - Lifetime JP5208413B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03100664 2003-03-17
EP03100664.6 2003-03-17
PCT/IB2004/050255 WO2004084185A1 (en) 2003-03-17 2004-03-15 Processing of multi-channel signals

Publications (2)

Publication Number Publication Date
JP2006520927A JP2006520927A (ja) 2006-09-14
JP5208413B2 true JP5208413B2 (ja) 2013-06-12

Family

ID=33016948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006506713A Expired - Lifetime JP5208413B2 (ja) 2003-03-17 2004-03-15 多重チャネル信号の処理方法

Country Status (9)

Country Link
US (1) US7343281B2 (de)
EP (1) EP1606797B1 (de)
JP (1) JP5208413B2 (de)
KR (1) KR101035104B1 (de)
CN (1) CN1761998B (de)
AT (1) ATE487213T1 (de)
DE (1) DE602004029872D1 (de)
ES (1) ES2355240T3 (de)
WO (1) WO2004084185A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10150519B4 (de) * 2001-10-12 2014-01-09 Hewlett-Packard Development Co., L.P. Verfahren und Anordnung zur Sprachverarbeitung
JP4076887B2 (ja) * 2003-03-24 2008-04-16 ローランド株式会社 ボコーダ装置
ES2333137T3 (es) * 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
DE602005017660D1 (de) * 2004-12-28 2009-12-24 Panasonic Corp Audiokodierungsvorrichtung und audiokodierungsmethode
US20070299657A1 (en) * 2006-06-21 2007-12-27 Kang George S Method and apparatus for monitoring multichannel voice transmissions
US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
DE102008056704B4 (de) * 2008-11-11 2010-11-04 Institut für Rundfunktechnik GmbH Verfahren zum Erzeugen eines abwärtskompatiblen Tonformates
US8401294B1 (en) * 2008-12-30 2013-03-19 Lucasfilm Entertainment Company Ltd. Pattern matching using convolution of mask image and search image
US8213506B2 (en) * 2009-09-08 2012-07-03 Skype Video coding
DE102009052992B3 (de) 2009-11-12 2011-03-17 Institut für Rundfunktechnik GmbH Verfahren zum Abmischen von Mikrofonsignalen einer Tonaufnahme mit mehreren Mikrofonen
EP2323130A1 (de) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametrische Kodierung- und Dekodierung
CN102157149B (zh) 2010-02-12 2012-08-08 华为技术有限公司 立体声信号下混方法、编解码装置和编解码系统
CN102487451A (zh) * 2010-12-02 2012-06-06 深圳市同洲电子股份有限公司 数字电视接收终端的音频测试方法及系统
ITTO20120274A1 (it) * 2012-03-27 2013-09-28 Inst Rundfunktechnik Gmbh Dispositivo per il missaggio di almeno due segnali audio.
KR102160254B1 (ko) * 2014-01-10 2020-09-25 삼성전자주식회사 액티브다운 믹스 방식을 이용한 입체 음향 재생 방법 및 장치
JP6858072B2 (ja) * 2016-05-24 2021-04-14 日本放送協会 音声信号補正装置及びプログラム
PL3748633T3 (pl) 2016-11-08 2025-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Moduł downmixu i sposób downmixu co najmniej dwóch kanałów oraz koder wielokanałowy i dekoder wielokanałowy
WO2019076739A1 (en) * 2017-10-16 2019-04-25 Sony Europe Limited AUDIO PROCESSING
EP3891737B1 (de) * 2019-01-11 2024-07-03 Boomcloud 360, Inc. Tonbühnenerhaltende audiokanalsummierung
MX2021010570A (es) * 2019-03-06 2021-10-13 Fraunhofer Ges Forschung Mezcladora para reducir el numero de canales de audio y metodo de mezclado para reducir el numero de canales de audio.
KR20250052461A (ko) 2021-07-08 2025-04-18 붐클라우드 360 인코포레이티드 올패스 필터 네트워크를 사용한 고도 지각적 큐의 무색 생성

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129006A (en) * 1989-01-06 1992-07-07 Hill Amel L Electronic audio signal amplifier and loudspeaker system
US5388181A (en) * 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
IT1246839B (it) 1990-07-13 1994-11-28 Flaminio Frassinetti Apparecchiatura per la miscelazione, a separazione di banda, di segnali elettrici.
JP3099892B2 (ja) * 1990-10-19 2000-10-16 リーダー電子株式会社 ステレオ信号の位相関係判定に使用する方法及び装置
CA2125220C (en) * 1993-06-08 2000-08-15 Joji Kane Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
US5740523A (en) * 1993-06-30 1998-04-14 Shintom Co., Ltd. Radio receiver
DE4409368A1 (de) * 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
US5850453A (en) * 1995-07-28 1998-12-15 Srs Labs, Inc. Acoustic correction apparatus
DK0887958T3 (da) 1997-06-23 2003-05-05 Liechti Ag Fremgangsmåde til komprimering af optagelser af omgivelseslyd, fremgangsmåde til detektering af programelementer deri, indretninger og computerprogram dertil
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
US6614365B2 (en) * 2000-12-14 2003-09-02 Sony Corporation Coding device and method, decoding device and method, and recording medium
JP3951690B2 (ja) * 2000-12-14 2007-08-01 ソニー株式会社 符号化装置および方法、並びに記録媒体
CA2354808A1 (en) * 2001-08-07 2003-02-07 King Tam Sub-band adaptive signal processing in an oversampled filterbank
EP1500085B1 (de) 2002-04-10 2013-02-20 Koninklijke Philips Electronics N.V. Kodierung von stereosignalen
JP4805541B2 (ja) 2002-04-10 2011-11-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオ信号の符号化
EP1500084B1 (de) 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametrische darstellung von raumklang

Also Published As

Publication number Publication date
ES2355240T3 (es) 2011-03-24
EP1606797A1 (de) 2005-12-21
KR20050107812A (ko) 2005-11-15
KR101035104B1 (ko) 2011-05-19
ATE487213T1 (de) 2010-11-15
WO2004084185A1 (en) 2004-09-30
JP2006520927A (ja) 2006-09-14
DE602004029872D1 (de) 2010-12-16
CN1761998B (zh) 2010-09-08
US20060178870A1 (en) 2006-08-10
EP1606797B1 (de) 2010-11-03
US7343281B2 (en) 2008-03-11
CN1761998A (zh) 2006-04-19

Similar Documents

Publication Publication Date Title
JP5208413B2 (ja) 多重チャネル信号の処理方法
RU2693648C2 (ru) Устройство и способ для кодирования или декодирования многоканального сигнала с использованием повторной дискретизации спектральной области
JP4934427B2 (ja) 音声信号復号化装置及び音声信号符号化装置
RU2345506C2 (ru) Многоканальный синтезатор и способ для формирования многоканального выходного сигнала
CN101138274B (zh) 用于处理去相干信号或组合信号的设备和方法
KR100978018B1 (ko) 공간 오디오의 파라메터적 표현
RU2586841C2 (ru) Многорежимный аудио кодировщик и celp кодирование, адаптированное к нему
CN102117617B (zh) 音频空间环境引擎
EP2904609B1 (de) Codierer, decodierer und verfahren zur rückwärtskompatiblen spatial-audio-object-codierung mit mehreren auflösungen
CN101406073A (zh) 用于多声道音频重构中的信号成形的增强的方法
KR20130006723A (ko) 외적 향상 고조파 전치
KR20090028755A (ko) 압축된 서브밴드 필터 임펄스 응답들을 형성하는 필터 압축기 및 방법
CN112424861B (zh) 多声道音频编码
US20250166654A1 (en) Apparatus, method or computer program for generating an output downmix representation
WO2007029412A1 (ja) マルチチャンネル音響信号処理装置
Helmrich Efficient perceptual audio coding using cosine and sine modulated lapped transforms
JP3163206B2 (ja) 音響信号符号化装置
CN113544774A (zh) 降混器及降混方法
RU2799737C2 (ru) Устройство повышающего микширования звука, выполненное с возможностью работы в режиме с предсказанием или в режиме без предсказания
HK1213360B (en) Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070315

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091215

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20100308

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20100315

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110324

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20110624

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20110701

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20111018

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130220

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160301

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 5208413

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term